Finding the Fourth Proportional to 688,934.20, 1,033,424.61 and 239,658.96
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Solution
The fourth proportional to 688,934.20, 1,033,424.61 and 239,658.96 is: 359,496.55
Step by Step Solution
- Step 1: Write the proportion equation
688,934.20 : 1,033,424.61 = 239,658.96 : x - Step 2: Convert to fraction form
688,934.20/1,033,424.61 = 239,658.96/x - Step 3: Cross multiply
688,934.20x = 1,033,424.61 × 239,658.96 - Step 4: Simplify right side
688,934.20x = 247,669,467,271.01 - Step 5: Solve for x
x = 247,669,467,271.01/688,934.20 - Step 6: Final answer
x = 359,496.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.